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Definition of unimpeachably
unimpeachably
/ˌʌn.ɪmˈpiː.tʃə.bli/
un · im · peach · a · bly
Adjective:unimpeachable
unimpeachably Lexical Profile
CEFR
C2
Grade
12
Tier
2
Usage
Rare
Syllables
5
unimpeachably Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adverb
1
In a manner that is entirely trustworthy, blameless, and beyond any doubt, reproach, or criticism.
Example
"The independent auditor conducted the financial review unimpeachably, leaving no room for allegations of bias."
Synonyms
View all synonyms for unimpeachably Antonyms
View all antonyms for unimpeachably• Rhymes for unimpeachably
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Word Origin & Etymology
Formed from 'unimpeachable' plus the adverbial suffix '-ly'. The root verb 'impeach' entered Middle English via Anglo-French 'empecher' (to impede or accuse), ultimately from Late Latin 'impedicare' (to fetter or catch by the foot).
Cite this Entry
Wordmom. (2026). Definition of Unimpeachably. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/unimpeachably